Sure, go to the ExPassy web site and select the proteomics tools options.
There you can either load in your own sequence (paste from a text file) or a
database number if the protein of interest is known, and calculate all sorts
of physicochemical parameters, using a number of tools.
Cheers,
Roger
In article <7jm7qv$ing$1 at bgtnsc02.worldnet.att.net>, "Bob" <robdebob at att.net>
wrote:
>Is there any web site that would calculate the absorption coefficient of a
>protein on the basis of the number of tryptophans, tyrosins, Phe, disulfide
>bonds...
>>Or if not, what is the formula?
>>Thanks, Rob
>>>>
------------------------------------------------------------
Roger Murphy, Ph.D.
Biological Production Facility
Ludwig Institute for Cancer Research
Austin & Repatriation Medical Centre
Studley Road,
Heidelberg, Vic. 3084
Australia.
Tel 61-3-94965463
Fax 61-3-94965436
Email Roger.Murphy at Ludwig.edu.au